Introductory Physics Homework Help Forum

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Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
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Homework Help Guidelines for Students and Helpers
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Hey I posted in homework help but now it's gone
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Homework Help: Introductory Physics Formulary
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Body attached to a block by a spring, shaped like an inclined plane
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Ball revolving around a massive disc and a cube placed at centre
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A cylinder rotating on a plane with friction and then moving across a frictionless plane to a collision
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Confusion about applying Faraday's law to a circuit
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Rod with Current on Rails in Magnetic Field
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Finding the intermediate height of a ball in terms of its maximum height
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Time taken for a planet to collide with the Sun
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Why is there no current flow in the middle branch? (Circuits problem)
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8
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162
Temperature dependence of resistance
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Find the density of surface charges at the boundary of two conductors with different resistivities
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6
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174
Trying to tie two runners of different speeds over a race
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Can Energy Conservation Solve the Angular Velocity Problem?
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How do we represent a triangle wave for input voltage in this circuit?
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Find V-I characteristic for this circuit with ideal diode
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120
Why is Radial Acceleration Ignored for a Rotating Board?
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Concept of different accelerations on rotations of rigid bodies
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265
Relativistic Decay and Separation Between Moving Nuclei A and B
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170
Looking for observed rotation periods of various Foucault pendulums at different latitudes
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266
Textbook 'The Physics of Waves': Varying Force Amplitude
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215
Expression for magnitude of the constant friction force
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219
Energy conservation equation to find equation for final velocity
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How Many Eggs to Turn a 40lb Flywheel in a Vacuum?
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10
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356
Effect of rim width on a frisbee's stability and range
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8
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201
Rocket + Connected Body Dynamics problem
2
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47
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600
Quantum Mechanics Boundary conditions
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Uncertainty in particle position
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Reflection probability in Quantum Mechanics
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128
Why is the direction of kinetic/static friction up a ramp?
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Heated gas pushing a mercury column out of a cylinder
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258
Temperature of two subsystems at equilibrium
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Doppler Effect Question: Flying Bat Echolocating a Mosquito
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382
Final momentum of box with reflective interior hit by ideal laser
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Explain why applying different forces to objects of different masses result in different accelerations
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Incandescent Bulb - suitable approximation for voltage-current curve
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Diophantine equations and physics
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Underground cables faulty point detected
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24
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337
Motion of an electron inside the cavity of a charged sphere
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5
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215
How to solve this driven RLC circuit?
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13
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324
Electrostatics and current problem with 3 metallic balls
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29
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How to set up this problem with driven torsional oscillator?
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5
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Find the mass of odium for both solid and liquid state
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Find the final temperature of the combined honorite and odium?
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5
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242
Difference between maximizing amplitude by choosing omega_0 given omega_d versus choosing omega_d given omega_0.
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4
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Mechanisms Involved When Charging a Battery
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10
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Find final temp of 2 substances once they have reached equilibrium
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6
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238
What is the meaning of the intercept of a particular solution to damped oscillator?
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7
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316
Magnetic Field of an infinite current-carrying wire at a point
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To what extent does this system behave as a pendulum?
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Force on a block placed on a rotating disc, calculated in different reference frames
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25
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How does a simple circuit work?
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12
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332
Why is current constant through a resistor?
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11
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333
Did I Misuse the Parallel Axis Theorem for Polar Moment of Inertia?
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2
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246
Why is the current in a conductor equal to zero when not connected to a circuit?
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13
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343
Why does electric potential energy increase if you move against the field?
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6
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227
Determining angular velocity of weight attached to a cord and cylinder
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23
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Electromagnetic force on a positively charged particle
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217
Why would this be accelerating positively?
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Calculating the Relative COG of Two Masses
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20
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Pistons placed on top of communicating vessels
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20
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How would I find data on the Luminosity of Cepheid variables?
2
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Is Linear Momentum Conserved in This Case? (sliding box hits a floor tile)
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Ray optics: velocity of image reflected off a moving mirror
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5
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Analyzing torque of an automobile engine
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6
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328
Confusion over acceleration of gravity as positive/negative
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10
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321
A cylinder has two sides containing gas and water separately
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Finding the angular velocity of a pendulum
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Number of bright fringes given by diffraction grating on a screen
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How Many Lines Per Millimeter Does the Diffraction Grating Have?
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What’s gone wrong with my derivation of the Lorentz Factor?
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Find ratio of brightness & the distance the 6th dark fringe is from central fringe
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Coulomb's law to find electric field for charge density function
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Find smallest distance x from y-axis for both constructive & destructive interference to occur
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278
Find smallest value of y for constructive interference
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254
EMF induced in moving rod in B-field, why is "L" length of wire frame?
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4
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253
Why is vertical displacement second order in horizontal displacement for coupled oscillator?
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340
Induced EMF due to a moving magnet
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How to Apply Derivatives in Physics Problems?
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How to calculate pressure when two forces are exerted
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Equivalent resistance of this 6-sided circuit
2
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Please help with this suggested solution involving electrostatic press
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Find the change in the time required, if acceleration increases by the differential amount 'da'
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7
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401
Solving for potential using surface charge density of a sphere
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3
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289
Tension in a string which connects 3 pulleys
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12
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338
Particle in one dimension wave function from Quantum Mechanics
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241
Minimal distance between two planes moving perpendicularly
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275
Analyzing acceleration of block on a ramp connected to a pulley
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15
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338
Friction problem of a block sandwiched between 2 surfaces
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How friction acts on a block moving down a slope moving side to side
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2
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How to find the equivalent resistance of this infinite circuit?
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Find the equivalent resistance of this circuit
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29
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The div in cartesian coordinates
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Find the location of the diver's reflection in the convex mirror
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19
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Find the electric field between 2 finite discs
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16
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Find the location and length of the final image
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2
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Man pulling a boat along the water with a rope (from above on a steep bank)
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31
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Material Selection - Hooke's law [not]
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14
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403
Tension Force Problem (applying Work-Kinetic Energy Theorem)
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16
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Falling mass, additionally accelerated by a rope
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18
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Calculating torque on a pendulum
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2
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280
Electric field lines outside a neutral conducting spherical shell
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12
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Intro Physics Homework Help

Introductory Physics Homework Help is a service that assists students in their assignments related to the fundamental principles of physics at the introductory level.

This support involves elucidating key concepts such as mechanics, electromagnetism, thermodynamics, and optics. Tutors or resources providing introductory physics homework help aim to aid students in problem-solving, understanding theoretical foundations, and applying mathematical techniques.

By offering explanations, examples, and guidance on physics problems, this service helps students grasp the basic principles of the subject, fostering a solid foundation for more advanced physics studies.

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